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KRUPP STAHL AKTIENGESELLSCHAFT
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BOCHUM, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for controlling discharge of steel from a casting ladle
Patent number
4,928,931
Issue date
May 29, 1990
Dislich; Heinz
Heinz Dislich
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for thermal treatment of pearlitic rail steels
Patent number
4,714,500
Issue date
Dec 22, 1987
Krupp Stahl AG
Wilhelm Heller
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for reducing internal stresses of roller straightened rails
Patent number
4,659,398
Issue date
Apr 21, 1987
Krupp Stahl Aktiengesellschaft
Wilhelm Heller
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus and process for the metallurgical aftertreatment of preme...
Patent number
4,604,135
Issue date
Aug 5, 1986
Krupp Stahl AG
Karl-Heinz Heinen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Rail having high resistance to wear in its head and high resistance...
Patent number
4,575,397
Issue date
Mar 11, 1986
Krupp Stahl Aktiengesellschaft
Wilhelm Heller
C21 - METALLURGY OF IRON
Information
Patent Grant
Spout-filling mass
Patent number
4,525,463
Issue date
Jun 25, 1985
Dislich; Heinz
Heinz Dislich
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Vibration-damped wheel for rail vehicles
Patent number
4,496,183
Issue date
Jan 29, 1985
Krupp Stahl Aktiengesellschaft
Willi Kasper
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electric arc furnace
Patent number
4,481,638
Issue date
Nov 6, 1984
Krupp Stahl AG
Erwin Raquet
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Trademark
last 30 trademarks
Information
Trademark
73485929 - FALC 223
Serial number
73485929
Registration number
1357607
Filing date
Jun 18, 1984
KRUPP STAHL AKTIENGESELLSCHAFT
6 - Common metals and their alloys